unders · July 6, 2012 08:50 · May 4, 2011 · May 4, 2011
diff --git a/edit.html.mustache b/edit.html.mustache
@@ -0,0 +1,35 @@
+<!-- A scaffolded edit view converted to mustache -->
+
+<h1>Editing post</h1>
+
+{{#form}}
+  {{#errors?}}
+    <div id="error_explanation">
+      <h2>{{error_header}}</h2>
+    </div>
+    <ul>
+      {{#errors}}
+        <li>{{.}}</li>
+      {{/errors}}
+    </ul>
+  {{/errors?}}
+
+  <div class="field">
+    {{title_label}}<br />
+    {{title_input}}
+  </div>
+  <div class="field">
+    {{body_label}}<br />
+    {{body_input}}
+  </div>
+  <div class="field">
+    {{author_label}}<br />
+    {{author_input}}
+  </div>
+  <div class="actions">
+    {{submit}}
+  </div>
+{{/form}}
+
+{{{show_link}}}
+{{{back_link}}}
diff --git a/edit.rb b/edit.rb
@@ -0,0 +1,40 @@
+require "mustache_extras"
+
+class Posts::Edit < Mustache::Rails
+  include Mustache::FormBuilder
+
+  def form
+    formable(@post) do |f|
+      {
+        :title_label  => f.label(:title),
+        :title_input  => f.text_field(:title),
+        :body_label   => f.label(:body),
+        :body_input   => f.text_area(:body),
+        :author_label => f.label(:author),
+        :author_input => f.text_field(:author),
+        :submit       => f.submit
+      }
+    end
+  end
+
+  def errors?
+    @post.errors.any?
+  end
+
+  def error_header
+    "#{pluralize(@post.errors.count, "error")} prohibited this post from being saved:"
+  end
+
+  def errors
+    @post.errors.full_messages
+  end
+
+  def show_link
+    link_to 'Show', @post
+  end
+
+  def back_link
+    link_to 'Back', posts_path
+  end
+
+end
diff --git a/mustache_extras.rb b/mustache_extras.rb
@@ -0,0 +1,22 @@
+module Mustache::FormBuilder
+  def formable(object)
+    lambda do |text|
+      form_for(object) do |f|
+        obj = FormableMustache.new(yield(f))
+        Mustache.render(text, obj).html_safe
+      end
+    end
+  end
+end
+
+class FormableMustache < Mustache
+  def initialize(data)
+    data.each_pair do |key, value|
+      FormableMustache.send(:define_method, key, proc{value})
+    end
+  end
+
+  def escapeHTML(str)
+    str
+  end
+end
No results found